Joseph beeakley holder



(No Model.)

'J.B. HOLDEN. RETURN SPRING FOR CHAIRS.

No. 376,886. Patented J an. 24, 1888.

DEN, a citizen of the United States, re at the town ofOatskill, in the county of UNITED STATES PATE T OF IC J JOSEPH BREAKLEY HOLDEN, oFcA'rsKiLL, NEW YORK.

RETURN-SP-RIVNGFOR CHAIR'S.-

SPECIPIC'ATION forming part of Letters Patent No. 376,886, dated January 24, 1888. v

7 Application filed July 14,1887. Serial No. 244.25 (No model.)

T aZZ whom, it may concern:

Be itknown that I, J OSEPH BREAKLEY HoL- and State of New York, have invented ane and useful Improvement in Return-Springs forOhairs, of which the following is a specification.

My invention relates to that class ofchairs which have backs adjustable in different positions, so that the person occupying the chair may sit up or recline at pleasure, and has been devised to make suchchairs more comfortable and available.

The nature of the invention consists in the details of construction, substantially as illustrated in the drawings, hereinafter described, and subsequently pointed'out inJthe claims.

Figure l'illustrates a back view in elevation of part of the frame of a chair with my invention attached. Fig. 2 illustrates another view of the same. Fig. 3 illustrates various details of my invention.

the washer g, the barrelf, and the headf of said barrel, and is secured in place by the nut e, which is adapted to the threaded end of said bolt. Around this barrel f iswound the helical spring 0, withone end resting on the I illustrated in Figs. 1 and 2, so that when the the chair will be held up, as'in Fig. 2, for the frame of thebottorn of the chair, and the other end resting on the frame of theback,as

4 springis in its normal position the back of person occupying it to sit up, and so that when theback is depressed for reclining the spring.

will be bent with a tension corresponding to back will spring up to its normal position, as represented in Fig. 2.

The interior, of the barrel f is mn'ch larger than the bolt d, and to prevent the barrel from being displaced an annular groove,.g", is formed in the washer 9, into which the end of the barrel f fits, being held in place, as aforesaid, by the bolt (1 and'nut e, the whole device to be as illustrated in the drawings.

What I claim as my invention, and desire to secure by Letters Patent, is 'j 1. In a chair, the combination of the parts a a and b b, the bolt d, the washer g, groove g, barrel f, head fiand nut e, substantially as andfor the purpose set forth.

'2. In a'chair, t-he spring c, in combination. I

with the partsfa a b b, the bolt d, washer d. washer g, groove 9', barrel f, having head f, and nut e, substantially as and for the purpose set forth.

In witnesswhereof I hereunto set my-hand in presence of two witnesses.

JOSEPH BBEAKLEY HOLDEN. Witnesses: I

F. W. RUBIEN,

G. E. MoDouALn; 

